Screen and screen mounting



50 M. E. ARENWALD ET AL 2,519,168

SCREEN AND SCREEN MOUNTING Filed Aug. 3, 1949 FIGMB. EG

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INVENTORS MARK E. ARENWALD 'MELVIN ARENWALD BY JOHN w. F'LUCKER,

Patented Aug. 15, 1950 SCREEN AND .scREEN MOUNTING Mark E. Arcnwald andMelvin Arenwald, Miami Beach, Fla., and .lohn W. Fluckcr, Long Beach,

Application August 3, 1949, Serial No. 108,306

3 Claims (01. 160-369) This invention relates to improvements in insectscreens and the mounting means therefor in conventional windowstructures.

It is an object of the present invention to form an insect screen havinga frame of extruded metal and guide means for the support of the framein a conventional window opening having resilient means in both theguide and the frame to permit shifting of the frame to uncover theopening, while the frame is maintained in various degrees of adjustmentunder the influence of V the resilient means.

A further object of the invention resides in the provision of insectscreens having a rigid frame of extruded metal adapted to be shiftedeasily and conveniently to open or closed position and which will remainin the various positions of shifting and metallic spring projected guidedevices arranged in the window opening for the sliding reception of theframes, such guides formed of a fixed channel member and an overridingchannelmember shiftable laterally thereon under the influence of aplurality of springs whereby the fixed and overriding members provide anequalizing guide for the screen frames in those windows having irregularside walls.

It has been found extremely desirable to provide in the conventionaldouble hung windows, screen devices capable of being shifted to anuncovering position to permit an exit through the opening for theexterior cleaning of windows, will always remain in any position ofadjustment, "may he used either as single screens oras doubleoverlapping screens, readily adjust' themselves to overcomeirregularities in the window, are light I in weight, strong, durable,cheap to manufacture and are highly convenient in use.

Qther objects and advantages of the invention ,will be readily apparentduring the course of the follOWlIlg description, reference being had tothe accompanying drawings, wherein has been illustrated a preferred formthereof.

In the drawings:

Figure 1 is an outer side elevation of a conventional window, showingthe invention in use,

Figure 2 is a vertical section, taken on line 2-2 of Figure 1, v

Figure 3 is a fragmentary horizontal section, taken on line 33 of Figure1,

Figure 4 is a fragmentary vertical section taken on line 4-4 of Figure3, Y 1

Figure 5 is a fragmentary perspective view of a corner of one framemember and,

Figure 6 is a perspective view of a friction Spring device. r

Like numerals are employed to designate like parts throughout theseveral figures of the drawings.

Referring specifically to the drawings, the numeral 5 designates aconventional window of the doubl hung type, having side rails 6 and topheader 1 and sill 8. Window sash 9 are mounted in the usual manner tobe'raised and lowered in the guides ill, formed by the usual strips ll.

Rig idly secured to the inner faces of the side rails 6, in the spacenormally provided for Wood frame screens, are channel members E2, of aheight substantially that of the window opening. The channels If! areheld in fixed position against shifting, by screws is. The screws l3further serve as mounting means for generally V- shaped leaf springs M.The terminal ends of the springs are'curved, at 55. It is contemplatedthat any suitable number ofthe springs I l may be employed in eachchannel, although it has been found that a spring adjacent the upper andlower end of the channel and one in the center is sufficient for normaluse. Overriding the channel l2, is a channel member it, having an insidewidth suflicient to permit a sliding fit over the channel l2. Thechannel it has its outer side wall extended at ll, for its full lengthand parallel ribs l8, forming identical guide grooves l5, likewiseextend for the full length of the channel. The grooves 59 are adapted toslidably receive upper and lower screen frames 26 and 2!, to bedescribed. As before pointed out, the channels l6 slidably override thechannels l2 and are 'normally urged outwardly by the engagement of thecurved ends I 5 of the springs i 4, against the inner wall of thechannel It, thus presenting a resilient mounting for the screen frames26 and 2! throughout the sliding of the frames. The resiliency of themounting forv the channels it adequately compensates for slightirregularities that might be present in the window frame, providing atall times parallel guides upon opposite sides of the window.

The upper screen frame 2c is formed generally rectangular and comprisesparallel sides rails and parallel upper and lower rails 22 and 23. Therails 22 and 23 are preferably extruded light weight metal, such asaluminum and the several rails are mitered at their corners, as at 24.The several railsare provided with a generally rectangular shapedchannel 25 throughout their length and the channel 25 communicates withthe marginal edge of the frame through the medium of "a relativelynarrow slot 25, having its edges ifil l lied- The rails are furtherprovided with an undercut channel 2'1, for the reception of the marginaledge of the screen cloth 28. The edge of the screen cloth is heldagainst displacement from the channel 2?, by a compressible bead 29 thatis forced into the channel. The frame is rigidly held in assembledposition at the mitered corners, by angle bars 35, crimped or otherwiseheld in the channel 25 of adjoining frame sections, as clearly shown inFigure 4. The slot of the upper rail 23 may carry a strip therein thatprojects slightly above the rail to overcome any slight irregularity inthe header of the window. This strip is indicated at 3|, in Figure 2.

The lower screen frame 2| includes extruded side rails 32, parallel witheach other and upper and lower extruded rails 33 and 34. The rails 32and 33 are identical in shape and are provided with rectangular channels35, communicating with the marginal edge of the frame, through themedium of the relatively narrow slot 36. Undercut channels 37 areprovided for the reception of the marginal edges of the screen cloth 38.The frame members 32 and 33 are identical to the frame members 22 and23. The lower frame member 34 is formed relatively wider than the framemembers 32 and likewise is provided with the channel 35 and the undercutchannel 31. An identical slot 36 extends from the channel 35 to themarginal edge of the member 34. A strip 39 is positioned in the slot 36of the member 34 for engagement with the sill of the window as anequalizer to overcome any irregularities of the sill. The frame 2| isassembled in a manner identical with that of the frame 20, by miteringthe corners and rigidly binding them together by the angle bars 30. Theframe member 34 is provided with a horizontal lip 4|], as a means tofacilitate the raising and lowering of the frame. Any suitable lockingmeans, not shown, may be employed for retaining the screen frames inclosure position against unauthorized movement.

As clearly shown, the upper and lower frames 20 and 2| are adapted topartake of vertical sliding movement in the guide grooves !9 of thechannel I6, with the frame 20 being arranged in the outer groove, whilethe frame 2| is arranged in the inner groove and, in closed position,the

lower rail 23 and the upper rail 33 are in parallel alignment, with therails spaced a distance equal to the thickness of the ribs l8. Theframes 28 and 2| are independently shiftable in their respective groovesl9.

As before pointed out, the springs l4 exert a continuous outwardpressure upon the channels [6, which pressure would, under certainfavorable conditions, be suflicient to hold the frames 20 and 2| againstaccidental sliding in the grooves. However, to insure against suchaccidental sliding, due to jarring or excess weight in larger screens,it has been found desirable to provide additional friction means thatwill maintain the screen frames in any position of adjustment. For thispurpose, a plurality of semi-circular leaf springs 4|, having angularlydisposed terminal ends 42 of a width that permit of a snug engagement inthe channels 25 and 35 of the side rails 22 and 32, and are arranged atpredetermined points in the side rails 2 2 and 32, with the semicircularleaf projecting through the slots 26 and 36 for frictional engagementwith the bottom walls of the grooves l9. The terminal ends 42 arefurther bent at an abrupt angle, as at 43, so that, when the spring 4|is flexed inwardly, the ends 42 will-rock upon the bottom of thechannels 25 and 35, causing the ends 43 to bite against the oppositewall of the channels, thus preventing any tendency of the springs 4| toslip in the channels when the screen frames are moved to open or closedposition.

In the use of the device, the channel members l2, having first beeninstalled, with their springs l4, the channels are then positionedthereover. Limit screws 44 are then engaged in suitable openings formedin the side walls of the channels I6 and freely ride in horizontal slots45, formed in the side Walls of the channels l2. Thus, the channels l2and M; are yieldably held in mounted position against the sides of thewindow frame against displacement. The frames 29 and 2| are then mountedin their respective grooves l9 by first engaging one edge of the framein a groove at one side of the window and, by a sidewise pressure,compressing the springs 4, provides suflicient clearance for theopposite side of the frame to engag in its groove. This method ofengagement is identical with both frames and the removal of the framesis done in a similar manner. The combined yieldable pressure of thesprings l4 and 4| assure that the screen frames will remain in anyposition of adjustment, providing an easy vertical shifting of theframes. Further, the yieldable nature of the channels l2 and i6 assuresof a perfectly aligned guide for the frames, regardless of theirregularities of the window frame.

While the structure hereinbefore described was designed primarily forinsect screens, it will be obvious, that by slight modifications in theframes, a sheet of glass may be substituted for the screen wire, thusproviding a very desirable storm window.

It will be apparent from the foregoing, that a very simple and highlyefficient window screen has been provided. The parts are few and simple,are easily extruded for economy in manufacture, are rigidly held inassembled relation against twisting by the corner angles, is neat inappearance, readily lends itself to installations upon various types ofwindows, permits ready access to the outer sides of the window and issimpl and easily installed or removed.

It is to be understood, that the invention is not limited to the precisearrangement shown, but that it includes within its purview, whateverchanges fairly come within either the terms or the spirit of theappended claims.

Having described our invention, what we claim as new and desire tosecure by Letters Patent is:

l. A screen and mounting means therefor in a window opening thatcomprises a pair of screen frames formed of extruded side, upper andlower rails provided with a peripheral slot therearound and providedwith an inner channe communicating with the slot, a plurality ofsemicircular friction springs mounted in the slots of the side rails andhaving enlarged head portions engageable in the channels, the springsprojecting beyond the marginal edge of the side frame members, channelmembers vertically arranged and fixed upon the sides of the windowopening in parallel relation, a channel member provided with a pair ofspaced guide grooves upon its outer face, said last named channeladapted to override the fixed channel members and movable toward andfrom the fixed channel member, spring devices between the last namedchannel members to urge them apart, means for limiting the outwardmovement of guide carrying channel member, the semi-circular springs ofthe frame frictionally engaging the bottoms of the guide grooves andequalizer strips carried by the upper rail of the upper frame and thebottom rail of the lower frame and supported in said slots.

2. Screen and screen mountings for window openings that comprises a pairof rectangular screen frames for vertical sliding movement in a windowopening with one frame positioned inwardly of the other for clearancewith each other, the frames formed of extruded parallel side rails andextruded paralleltop and bottom rails, the frames provided with innerannular undercut channels for the reception of the marginal edges of asheet of screen wire, a binding strip engageable in the channels formaintaining the wire against displacement, the several rails providedthroughout their length with a circumferential slot and an inner channelof greater diameter than the slot and having communication with theslot, the said frames mitered at their corners and rigidly connected,equalizer strips carried in the sots of the upper rail of the upper framand the lower rail of the lower frame, semi-circular springs havingenlarged terminal ends for engagement in the inner channels of the siderails, the semi-circular spring extending through the slots and beyondthe outer edge of the side rails, the enlarged terminal ends adapted togrip the wall of the inner channel when the spring is under tension,mounting channels vertically aflixed to the sides of the window openingin parallel manner, leaf springs carried within the last named channeland projecting forwardly thereof, a second channel co-extensive inlength with th mounting channel and of a width to override the mountingchannel in snug engagement and urged outwardly by the leaf springs, ribsformed on the second named channel and equi-distantly spaced to formidentical vertical guide grooves for the slidable reception of theframes, stop screws for limiting the outer movement of the guidecarrying channel under the influence of the leaf springs, the framesslidable in the grooves and frictionally held in adjusted position bythe semi-circular springs.

3. Screen and'screen frame mounting for window openings that comprisesan upper and lower screen frame vertically offset from each other, saidframes formed of parallel side rails and upper and lower parallel railsextruded and mitered at their corners for forming a rectangular frame,the extrusion forming an inner annular undercut channel entirely aroundthe frame for the reception of the marginal edge 5.;

of a sheet of screen wire, a wedging strip engageable in the channel forretaining the wire against displacement, the frames provided with arelatively narrow slot entirely around their circumferential edge, theframe having an enlarged inner channel communicating with the slot, thelower frame having its lower rail formed relatively wider and providedwith an integral horizontal lip inwardly extending for the major portionof its length, an equalizer strip arranged in the slot of the lower railof the lower frame and projecting slightly therebeyond, angle barsrigidly connecting the mitered corners of the frames, a plurality ofsemi-circular leaf springs carried by the side rails of the frames andoperable through the slots and projecting therebeyond, the springshaving enlarged angularly disposed heads positioned in the innerchannels, the terminal ends of the heads bent at an abrupt angle forgripping action on the side wall of the channels when the springs areunder tension, guide means for the vertical movement of the screenframes that comprises fixed channel members secured to the oppositesides of the window opening in vertical parallelism, flat leaf springsarranged in the fixed channels and secured intermediate their ends, withtheir ends inclined outwardly and curved inwardly at their terminus, aguide channel for overriding engagement with the fixed channels andurged outwardly by the last named springs, means for limiting the outermovement of the guide channels under the influence of the fiat leafspring, equidistantly spaced parallel ribs verticaly formed on the guidechannel to provide identical outwardly opening guide grooves, the framesapapted to slidably engage in the guide grooves with the semi-circularsprings frictionally engaging the bottom of the grooves, the said framesindependently slidable in their respective groove and held againstaccidental slipping by the combined actions of the several springs.

MARK E. ARENWALD.

MELVIN ARENWALD.

JOHN W. FLUCKER.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Number Name Date 346,949 Robinson Aug. 10, 18861,435,270 Wagner Nov. 14, 1922 1,923,346 Watson Aug. 22, 1933 2,467,511Van Fleet Apr. 19, 1949 2,477,942 Renton Aug. 2, 1949

